/Engine/Source/Runtime/InteractiveToolsFramework/Public/SceneQueries/SceneSnappingManager.h
implementations are not required (and may not be able) to support hit testing
true if any valid hit target was found
virtual bool ExecuteSceneHitQuery ( const [FSceneHitQueryRequest](API\Runtime\InteractiveToolsFramework\SceneQueries\FSceneHitQueryRequest) & Request, [FSceneHitQueryResult](API\Runtime\InteractiveToolsFramework\SceneQueries\FSceneHitQueryResult) & ResultOut ) const